It regularly creates new models for novelty collections. The firm uses traditional working methods. Its production techniques have remained unchanged for nearly 90 years. The upper is attached to the felt sole using a very specific technique known as reverse welting ; in addition, Rivalin distinguishes itself from modern processes by giving preference to rubber soles for its vulcanised slippers. The firm has all the required know-how and trades at its disposal in-house ; for example, cutter, seamer and assembler for clogs. It carries out all the operations for the manufacture of slippers, including cutting and seaming. Rivalin uses seaming and sewing machines acquired in around 1930, which are no longer manufactured today.